7272542232 has 80 divisors (see below), whose sum is σ = 20394574200. Its totient is φ = 2421239040.

The previous prime is 7272542213. The next prime is 7272542243. The reversal of 7272542232 is 2322452727.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 564519 + ... + 577257.

Almost surely, 2^7272542232 is an apocalyptic number.

7272542232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7272542232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10197287100).

7272542232 is an abundant number, since it is smaller than the sum of its proper divisors (13122031968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7272542232 is a wasteful number, since it uses less digits than its factorization.

7272542232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13638 (or 13625 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 7272542232 is about 85279.2016379140. The cubic root of 7272542232 is about 1937.4421805125.

Adding to 7272542232 its reverse (2322452727), we get a palindrome (9594994959).

The spelling of 7272542232 in words is "seven billion, two hundred seventy-two million, five hundred forty-two thousand, two hundred thirty-two".